formbook | 16a81a265cea156034bea5db891d480535cf697bdd8c8917fc6d994c33ddfdf0

General

Target

Shipping Document.exe
Size

550KB
MD5

01a52be812f172b91eace459ba95c6cf
SHA1

6a169e7a4871117b513852d89d5aa49b6c67e04e
SHA256

16a81a265cea156034bea5db891d480535cf697bdd8c8917fc6d994c33ddfdf0
SHA512

9a899bef688a5423042dd87d99c2d7bfa270c5c8ea3a27a09fd922f3dd07fc7d2df2b1f07b47644b57db35afc319dc8f1af936e248f83076ea717452843ebfff

Score

10^/10

formbook xloader a8hq loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2040-74-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2040-75-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/2040-87-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1364-89-0x0000000000090000-0x00000000000BB000-memory.dmp	xloader
behavioral1/memory/1364-95-0x0000000000090000-0x00000000000BB000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1872 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1872	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmstp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8PKXHTYXYR = "C:\\Program Files (x86)\\Fzpqlgb\\gdimjoxcfp0.exe"	cmstp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Shipping Document.exeShipping Document.execmstp.exe

description	pid	process	target process
PID 1948 set thread context of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 2040 set thread context of 1256	2040	Shipping Document.exe	Explorer.EXE
PID 1364 set thread context of 1256	1364	cmstp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmstp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe cmstp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Fzpqlgb\gdimjoxcfp0.exe	cmstp.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmstp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

Shipping Document.execmstp.exe

pid	process
2040	Shipping Document.exe
2040	Shipping Document.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe
1364	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Shipping Document.execmstp.exe

pid process

2040 Shipping Document.exe
2040 Shipping Document.exe
2040 Shipping Document.exe
1364 cmstp.exe
1364 cmstp.exe
1364 cmstp.exe
1364 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping Document.execmstp.exe

description pid process

Token: SeDebugPrivilege 2040 Shipping Document.exe
Token: SeDebugPrivilege 1364 cmstp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2040	Shipping Document.exe
Token: SeDebugPrivilege	1364	cmstp.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Shipping Document.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1948 wrote to memory of 2040	1948	Shipping Document.exe	Shipping Document.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1256 wrote to memory of 1364	1256	Explorer.EXE	cmstp.exe
PID 1364 wrote to memory of 1872	1364	cmstp.exe	cmd.exe
PID 1364 wrote to memory of 1872	1364	cmstp.exe	cmd.exe
PID 1364 wrote to memory of 1872	1364	cmstp.exe	cmd.exe
PID 1364 wrote to memory of 1872	1364	cmstp.exe	cmd.exe
PID 1364 wrote to memory of 1928	1364	cmstp.exe	Firefox.exe
PID 1364 wrote to memory of 1928	1364	cmstp.exe	Firefox.exe
PID 1364 wrote to memory of 1928	1364	cmstp.exe	Firefox.exe
PID 1364 wrote to memory of 1928	1364	cmstp.exe	Firefox.exe
PID 1364 wrote to memory of 1928	1364	cmstp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2040

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
3⤵
- Deletes itself
PID:1872

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1928

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1256-84-0x00000000068F0000-0x0000000006A45000-memory.dmp

Filesize
1.3MB

Download
memory/1256-93-0x00000000043D0000-0x00000000044D1000-memory.dmp

Filesize
1.0MB

Download
memory/1256-94-0x00000000068F0000-0x0000000006A45000-memory.dmp

Filesize
1.3MB

Download
memory/1256-96-0x00000000043D0000-0x00000000044D1000-memory.dmp

Filesize
1.0MB

Download
memory/1364-89-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1364-88-0x0000000000EA0000-0x0000000000EB8000-memory.dmp

Filesize
96KB

Download
memory/1364-91-0x00000000022C0000-0x00000000025C3000-memory.dmp

Filesize
3.0MB

Download
memory/1364-85-0x0000000000000000-mapping.dmp

Download
memory/1364-92-0x0000000000950000-0x00000000009E0000-memory.dmp

Filesize
576KB

Download
memory/1364-95-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1872-90-0x0000000000000000-mapping.dmp

Download
memory/1948-70-0x0000000000B10000-0x0000000000B42000-memory.dmp

Filesize
200KB

Download
memory/1948-76-0x0000000072730000-0x0000000073ABF000-memory.dmp

Filesize
19.6MB

Download
memory/1948-66-0x0000000071D20000-0x0000000072730000-memory.dmp

Filesize
10.1MB

Download
memory/1948-68-0x0000000071000000-0x0000000071D1D000-memory.dmp

Filesize
13.1MB

Download
memory/1948-69-0x00000000056A0000-0x0000000005726000-memory.dmp

Filesize
536KB

Download
memory/1948-65-0x0000000072730000-0x0000000073ABF000-memory.dmp

Filesize
19.6MB

Download
memory/1948-64-0x00000000700E0000-0x000000007081E000-memory.dmp

Filesize
7.2MB

Download
memory/1948-63-0x0000000074090000-0x000000007418C000-memory.dmp

Filesize
1008KB

Download
memory/1948-62-0x00000000741B0000-0x0000000074381000-memory.dmp

Filesize
1.8MB

Download
memory/1948-54-0x0000000000CB0000-0x0000000000D40000-memory.dmp

Filesize
576KB

Download
memory/1948-77-0x0000000071D20000-0x0000000072730000-memory.dmp

Filesize
10.1MB

Download
memory/1948-67-0x0000000074420000-0x00000000745B4000-memory.dmp

Filesize
1.6MB

Download
memory/1948-78-0x0000000074420000-0x00000000745B4000-memory.dmp

Filesize
1.6MB

Download
memory/1948-80-0x0000000071000000-0x0000000071D1D000-memory.dmp

Filesize
13.1MB

Download
memory/1948-61-0x0000000070820000-0x0000000071000000-memory.dmp

Filesize
7.9MB

Download
memory/1948-82-0x00000000741B0000-0x0000000074381000-memory.dmp

Filesize
1.8MB

Download
memory/1948-60-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/1948-59-0x0000000071000000-0x0000000071D1D000-memory.dmp

Filesize
13.1MB

Download
memory/1948-58-0x0000000074420000-0x00000000745B4000-memory.dmp

Filesize
1.6MB

Download
memory/1948-57-0x0000000071D20000-0x0000000072730000-memory.dmp

Filesize
10.1MB

Download
memory/1948-56-0x0000000072730000-0x0000000073ABF000-memory.dmp

Filesize
19.6MB

Download
memory/1948-55-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download
memory/2040-75-0x000000000041F2C0-mapping.dmp

Download
memory/2040-87-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2040-83-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/2040-79-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2040-74-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2040-72-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2040-71-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads